Nobody knows how long and how seriously the shakiness（不穩(wěn)定） of big businesses will （） down the economy.

She couldn't（）laughing at him in those clothes.

The aircraft vanished without（）

Inquiries（）the condition of the patients may be made personally or by telephone.

Our department（）courses in several foreign languages.

She had clearly no（）of doing any work, although she was very well paid.

People appreciate（）with him because he has a good sense of humor.

I could not persuade him to accept it,（）make him see the importance of it.

I tried very hard to persuade him to join our group but I met with a flat（）

His company promised to pay for his health （）in addition to other benefits.